<!DOCTYPE HTML>
<!--
    Any copyright is dedicated to the Public Domain.
    http://creativecommons.org/licenses/publicdomain/
  -->
<html>
<head>
  <title>reference image-rendering</title>
  <style>
    canvas { position:absolute;left:0px;top:0px; }
  </style>
  <script type="text/javascript">
    function draw() {
        var canvas = document.getElementById("canvas");
        var ctx = canvas.getContext("2d");
        ctx.fillStyle = "rgb(255,0,0)";
        ctx.fillRect(50,50,200,200);
        ctx.fillStyle = "rgb(0,255,0)";
        ctx.fillRect(50,50,100,100);
    }
  </script>
</head>
<body onload="draw();">
  <canvas id="canvas" width="300" height="300"></canvas>
</body>
</html>
